Finding the Fourth Proportional to 249,987,079.08, 344,984,928.42 and 138,479,627.88
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Solution
The fourth proportional to 249,987,079.08, 344,984,928.42 and 138,479,627.88 is: 191,103,414.97
Step by Step Solution
- Step 1: Write the proportion equation
249,987,079.08 : 344,984,928.42 = 138,479,627.88 : x - Step 2: Convert to fraction form
249,987,079.08/344,984,928.42 = 138,479,627.88/x - Step 3: Cross multiply
249,987,079.08x = 344,984,928.42 × 138,479,627.88 - Step 4: Simplify right side
249,987,079.08x = 47,773,384,511,810,040 - Step 5: Solve for x
x = 47,773,384,511,810,040/249,987,079.08 - Step 6: Final answer
x = 191,103,414.97
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.